function canvasApp() {
    // if(navigator.appName == "Microsoft Internet Explorer"&&parseInt(navigator.appVersion.split(";")[1].replace(/[ ]/g, "").replace("MSIE",""))<=9){
    if(true){
        $("#b_map_main").css({display:"none"});
        $(".b_map_main_add").css({display:"block"});
    }else{
        if(hasSVG()){
            mapStart();
            $("#b_map_main").css({display:"block"});
            $(".b_map_main_add").css({display:"none"});
        }else{
            $("#b_map_main").css({display:"none"});
            $(".b_map_main_add").css({display:"block"});
        }
    }
};

function hasSVG(){
    return !! document.createElementNS &&
        !! document.createElementNS('http://www.w3.org/2000/svg','svg').createSVGRect
}


function mapStart() {
    var dom = document.getElementById("b_map_main");
    var myChart = echarts.init(dom);
    var app = {};
    option = null;
    var geoCoordMap = {
        '上海': [121.4648,31.2891],
        '东莞': [113.8953,22.901],
        '东营': [118.7073,37.5513],
        '中山': [113.4229,22.478],
        '临汾': [111.4783,36.1615],
        '临沂': [118.3118,35.2936],
        '丹东': [124.541,40.4242],
        '丽水': [119.5642,28.1854],
        '乌鲁木齐': [87.9236,43.5883],
        '佛山': [112.8955,23.1097],
        '保定': [115.0488,39.0948],
        '兰州': [103.5901,36.3043],
        '包头': [110.3467,41.4899],
        '北京': [116.4551,40.2539],
        '北海': [109.314,21.6211],
        '南京': [118.8062,31.9208],
        '南宁': [108.479,23.1152],
        '南昌': [116.0046,28.6633],
        '南通': [121.1023,32.1625],
        '厦门': [118.1689,24.6478],
        '台州': [121.1353,28.6688],
        '合肥': [117.29,32.0581],
        '呼和浩特': [111.4124,40.4901],
        '咸阳': [108.4131,34.8706],
        '哈尔滨': [127.9688,45.368],
        '唐山': [118.4766,39.6826],
        '嘉兴': [120.9155,30.6354],
        '大同': [113.7854,39.8035],
        '大连': [122.2229,39.4409],
        '天津': [117.4219,39.4189],
        '太原': [112.3352,37.9413],
        '威海': [121.9482,37.1393],
        '宁波': [121.5967,29.6466],
        '宝鸡': [107.1826,34.3433],
        '宿迁': [118.5535,33.7775],
        '常州': [119.4543,31.5582],
        '广州': [113.5107,23.2196],
        '廊坊': [116.521,39.0509],
        '延安': [109.1052,36.4252],
        '张家口': [115.1477,40.8527],
        '徐州': [117.5208,34.3268],
        '德州': [116.6858,37.2107],
        '惠州': [114.6204,23.1647],
        '成都': [103.9526,30.7617],
        '扬州': [119.4653,32.8162],
        '承德': [117.5757,41.4075],
        '拉萨': [91.1865,30.1465],
        '无锡': [120.3442,31.5527],
        '日照': [119.2786,35.5023],
        '昆明': [102.9199,25.4663],
        '杭州': [119.5313,29.8773],
        '枣庄': [117.323,34.8926],
        '柳州': [109.3799,24.9774],
        '株洲': [113.5327,27.0319],
        '武汉': [114.3896,30.6628],
        '汕头': [117.1692,23.3405],
        '江门': [112.6318,22.1484],
        '沈阳': [123.1238,42.1216],
        '沧州': [116.8286,38.2104],
        '河源': [114.917,23.9722],
        '泉州': [118.3228,25.1147],
        '泰安': [117.0264,36.0516],
        '泰州': [120.0586,32.5525],
        '济南': [117.1582,36.8701],
        '济宁': [116.8286,35.3375],
        '海口': [110.3893,19.8516],
        '淄博': [118.0371,36.6064],
        '淮安': [118.927,33.4039],
        '深圳': [114.5435,22.5439],
        '清远': [112.9175,24.3292],
        '温州': [120.498,27.8119],
        '渭南': [109.7864,35.0299],
        '湖州': [119.8608,30.7782],
        '湘潭': [112.5439,27.7075],
        '滨州': [117.8174,37.4963],
        '潍坊': [119.0918,36.524],
        '烟台': [120.7397,37.5128],
        '玉溪': [101.9312,23.8898],
        '珠海': [113.7305,22.1155],
        '盐城': [120.2234,33.5577],
        '盘锦': [121.9482,41.0449],
        '石家庄': [114.4995,38.1006],
        '福州': [119.4543,25.9222],
        '秦皇岛': [119.2126,40.0232],
        '绍兴': [120.564,29.7565],
        '聊城': [115.9167,36.4032],
        '肇庆': [112.1265,23.5822],
        '舟山': [122.2559,30.2234],
        '苏州': [120.6519,31.3989],
        '莱芜': [117.6526,36.2714],
        '菏泽': [115.6201,35.2057],
        '营口': [122.4316,40.4297],
        '葫芦岛': [120.1575,40.578],
        '衡水': [115.8838,37.7161],
        '衢州': [118.6853,28.8666],
        '西宁': [101.4038,36.8207],
        '西安': [109.1162,34.2004],
        '贵阳': [106.6992,26.7682],
        '连云港': [119.1248,34.552],
        '邢台': [114.8071,37.2821],
        '邯郸': [114.4775,36.535],
        '郑州': [113.4668,34.6234],
        '鄂尔多斯': [108.9734,39.2487],
        '重庆': [107.7539,30.1904],
        '金华': [120.0037,29.1028],
        '铜川': [109.0393,35.1947],
        '银川': [106.3586,38.1775],
        '镇江': [119.4763,31.9702],
        '长春': [125.8154,44.2584],
        '长沙': [113.0823,28.2568],
        '长治': [112.8625,36.4746],
        '阳泉': [113.4778,38.0951],
        '青岛': [120.4651,36.3373],
        '韶关': [113.7964,24.7028]
    };

    var BJData = [
        [{name:'北京'}, {name:'包头',value:60}],
        [{name:'北京'}, {name:'大连',value:50}],
        [{name:'北京'}, {name:'沈阳',value:40}],
        [{name:'北京'}, {name:'太原',value:40}],
        [{name:'北京'},{name:'石家庄',value:40}],
        [{name:'北京'}, {name:'济南',value:20}],
        [{name:'北京'},{name:'郑州',value:60}],
        [{name:'北京'}, {name:'长春',value:10}],
        [{name:'北京'}, {name:'北京',value:10}],
        [{name:'北京'}, {name:'哈尔滨',value:10}]
    ];

    var SHData = [
        [{name:'上海'},{name:'杭州',value:30}],
        [{name:'上海'},{name:'合肥',value:10}],
        [{name:'上海'},{name:'上海',value:10}],
        [{name:'上海'},{name:'武汉',value:20}]
    ];

    var GZData = [
        [{name:'广州'},{name:'南昌',value:75}],
        [{name:'广州'},{name:'重庆',value:65}],
        [{name:'广州'},{name:'福州',value:55}],
        [{name:'广州'},{name:'南宁',value:55}],
        [{name:'广州'},{name:'长沙',value:45}],
        [{name:'广州'},{name:'广州',value:45}],
        [{name:'广州'},{name:'海口',value:10}]
    ];

    var CDData = [
        [{name:'成都'},{name:'乌鲁木齐',value:99}],
        [{name:'成都'},{name:'西宁',value:95}],
        [{name:'成都'},{name:'西安',value:85}],
        [{name:'成都'},{name:'拉萨',value:65}],
        [{name:'成都'},{name:'兰州',value:50}],
        [{name:'成都'},{name:'银川',value:40}],
        [{name:'成都'},{name:'贵阳',value:30}],
        [{name:'成都'},{name:'成都',value:30}],
        [{name:'成都'},{name:'昆明',value:25}]
    ];

    var planePath = 'path://M1705.06,1318.313v-89.254l-319.9-221.799l0.073-208.063c0.521-84.662-26.629-121.796-63.961-121.491c-37.332-0.305-64.482,36.829-63.961,121.491l0.073,208.063l-319.9,221.799v89.254l330.343-157.288l12.238,241.308l-134.449,92.931l0.531,42.034l175.125-42.917l175.125,42.917l0.531-42.034l-134.449-92.931l12.238-241.308L1705.06,1318.313z';

    var convertData = function (data) {
        var res = [];
        for (var i = 0; i < data.length; i++) {
            var dataItem = data[i];
            var fromCoord = geoCoordMap[dataItem[0].name];
            var toCoord = geoCoordMap[dataItem[1].name];
            if (fromCoord && toCoord) {
                res.push({
                    fromName: dataItem[0].name,
                    toName: dataItem[1].name,
                    coords: [fromCoord, toCoord]
                });
            }
        }
        return res;
    };

    var color = ['#fffc00', '#fffc00', '#fffc00','#fffc00'];
    var series = [];
    [['北京', BJData], ['上海', SHData], ['广州', GZData],['成都', CDData]].forEach(function (item, i) {
        series.push({
                name: item[0] + ' Top10',
                type: 'lines',
                zlevel: 1,
                effect: {
                    show: true,
                    period: 6,
                    trailLength: 0.7,
                    color: color[i],
                    symbolSize: 3
                },
                lineStyle: {
                    normal: {
                        color: color[i],
                        width: 0,
                        curveness: 0.2
                    }
                },
                data: convertData(item[1])
            },
            {
                name: item[0] + ' Top10',
                type: 'lines',
                zlevel: 2,
                effect: {
                    //show: true,
                    //period: 6,
                    //trailLength: 0,
                    //symbol: planePath,
                    //symbolSize: 55
                },
                lineStyle: {
                    normal: {
                        color: color[i],
                        width: 1,
                        opacity: 0.4,
                        curveness: 0.2
                    }
                },
                data: convertData(item[1])
            },
            {
                name: item[0] + ' Top10',
                type: 'effectScatter',
                coordinateSystem: 'geo',
                zlevel: 2,
                rippleEffect: {
                    brushType: 'stroke'
                },
                // label: {
                //     normal: {
                //         show: true,
                //         position: 'right',
                //         formatter: '{b}'
                //     }
                // },
                // symbolSize: function (val) {
                //     return val[2] / 8;
                // },
                itemStyle: {
                    normal: {
                        color: color[i]
                    }
                },
                data: item[1].map(function (dataItem) {
                    return {
                        name: dataItem[1].name,
                        value: geoCoordMap[dataItem[1].name].concat([dataItem[1].value])
                    };
                })
            });
    });

    option = {
        backgroundColor: '',
        // title : {
        //     text: '',
        //     //subtext: '数据覆盖率',
        //     left: 'center',
        //     textStyle : {
        //         color: '#fff'
        //     }
        // },
        // tooltip : {
        //     trigger: 'item'
        // },
        // legend: {
        //     orient: 'vertical',
        //     top: 'bottom',
        //     left: 'right',
        //     //data:['北京 Top10', '上海 Top10', '广州 Top10'],
        //     textStyle: {
        //         color: '#fff'
        //     },
        //     selectedMode: 'single'
        // },
        geo: {
            map: 'china',
            label: {
                emphasis: {
                    show: false
                }

            },
            // roam: true,
            itemStyle: {
                normal: {//选取前颜色
                    areaColor: '#2093e6',
                    borderColor: '#fff'
                },
                emphasis: {//选取后颜色
                    areaColor: '#2093e6'
                }
            }
        },
        series: series
    };;
    if (option && typeof option === "object") {
        myChart.setOption(option, true);
    }
}